# 1 "main.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "main.c"
int main(void){
   int a,b;
   printf("enter two numbers:");
   scanf("%d %d",&a,&b);
   printf("add:%d\n",add(a,b));
   printf("sub:%d\n",sub(a,b));
   printf("mul:%d\n",mul(a,b));
   printf("div:%lf\n",div(a,b));
   return 0;

}
